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The most common clinical features of inclusion cell disease are clouded corneas and restricted joint movement. +
Leukocyte adhesion deficiency (type I) is due to a defect in LFA-1 integrin. Patients typically present with recurrent bacterial infections with no pus formation and delayed separation of the umbilical cord. +
Anaphylactic reaction, usually occurring in patients with IgA deficiency, is caused by formation of immune complexes that activate anaphylaxins, such as C3a and C5a. Patients typically present with features characteristic of anaphylaxis, such as hypotension and shock. +
Methylation hinders transcription at the level of chromatin templates. Methylation "mutes" chromatin. +
The findings describe the classical presentation and workup of Langerhans cell histiocytosis characterized by diabetes insipidus, exophthalmus, and lytic bony lesions, presence of Langerhans cells on pathology, and positive staining for CD1a and S100. Electron microscopy displays characteristic Birbeck granules, which resemble tennis rackets. +
Hydroxyurea is beneficial in patients with sickle cell disease (SCD) because it increases HbF levels. +
Cranial nerve (CN) XI or the spinal accessory nerve innervates the sternocleidomastoid, which is the muscle responsible for ipsilateral neck flexion and contralateral head rotation. +
The physician in charge must adhere to the decision of the patient's wife. However, physicians must be careful to make sure that the patient's surrogate makes decisions that are consistent with the patient's own values and his best interest. In case of conflict or difficult situations, hospital ethics committees may be useful to help patient families reach reasonable conclusions. +
Asking about symptoms of specific psychiatric disorders is essential, as it can lead to further diagnosis, but is not the most important question in this patient. +
The fibroblast growth factor (FGF), produced at the apical ectodermal ridge (AER), induces mitosis of the mesoderm and allows for limb lengthening. +
Dichorionic diamniotic twin pregnancy occurs when cleavage takes place between 0-4 days post-fertilization. +
Cleft lip is characterized by the failure of fusion of the maxillary and medial nasal processes. +
Serum testosterone does not have a major role in the inhibition of anti-Mullerian hormone. +